What is a key characteristic of high-quality data?

• Timely

• Inaccessible

• Ambiguous

• Redundant

What is Big Data?

• Data that is always accurate

• Data that is easy to manage

• A collection of data that is too large and complex for traditional systems

• Data that is only stored in one location

What does a Database Management System (DBMS) do?

• Creates user interfaces

• Only stores data

• Performs data analysis

• Interacts with and manages data in the database

Which of the following is a front-end database component?

• User Interface (UI)

• Server-Side Logic

• Database Management

• APIs

What is the purpose of data validation in a database?

• To manage server-side logic

• To ensure data is stored in multiple locations

• To ensure data entered meets certain criteria

• To create user interfaces

Which of the following is NOT a type of SQL operation?

• COMPILE

• INSERT

• DELETE

• SELECT

What is a primary key in a database?

• A unique identifier for a record

• A method for data encryption

• A field that contains duplicate values

• A type of data validation

What is the main function of back-end database components?

• To create user-friendly interfaces

• To present data to users

• To handle server-side logic and data processing

• To perform data validation

What is the CIA triad in database security?

• Centralization, Integration, Analysis

• Confidentiality, Integrity, Availability

• Control, Information, Access

• Consistency, Isolation, Accessibility

What is the purpose of backing up a database?

• To delete unnecessary data

• To ensure data can be restored in case of loss

• To improve data access speed

• To create new user accounts